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Issue 30, 2011
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Pronounced sponge-like nanostructure in propylammonium nitrate

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The bulk structure of the ionic liquid propylammonium nitrate (PAN) has been determined using neutron diffraction. Empirical potential structure refinement (EPSR) fits to the data show that PAN self-assembles into a quasi-periodic bicontinuous nanostructure reminiscent of an amphiphileL3-sponge phase. Atomic detail on the ion arrangements around the propylammonium cation and nitrate anion yields evidence of hydrogen bonding between ammonium and nitrate groups and of strong alkyl chain aggregation and interdigitation. The resultant amphiphilic PAN nanostructure is more pronounced than that previously determined for ethylammonium nitrate (EAN) or ethanolammonium nitrate (EtAN).

Graphical abstract: Pronounced sponge-like nanostructure in propylammonium nitrate

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Publication details

The article was received on 07 Apr 2011, accepted on 24 May 2011 and first published on 09 Jun 2011

Article type: Paper
DOI: 10.1039/C1CP21080G
Citation: Phys. Chem. Chem. Phys., 2011,13, 13544-13551
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    Pronounced sponge-like nanostructure in propylammonium nitrate

    R. Hayes, S. Imberti, G. G. Warr and R. Atkin, Phys. Chem. Chem. Phys., 2011, 13, 13544
    DOI: 10.1039/C1CP21080G

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